Ch6 Example Problems

Ch6 Example Problems - atm. What is the final gas volume?...

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HODSON CHE 1301 Petrucci Ch6 Example Problems The following problems are taken from old exams . ..... 1) 2.24 L NH 3(g) at 2.0 atm and 0 °C: a) contains 3.6 × 10 23 H atoms b) contains 3.6 × 10 23 N atoms c) weighs 1.70 g d) contains 6.02 × 10 22 molecules of NH 3 e) contains 0.050 mole NH 3 2) Assuming ideal gas behavior, which of the following gases would have the lowest density at standard temperature and pressure? a) CO 2 b) CF 2 Cl 2 c) Kr d) N 2 e) SF 6 3) Calculate the height of a column of liquid glycerol ( d = 1.26 g/cm3), in meters, required to exert the same pressure as 4.91 m of water. a) 3.90 m b) 6.91 m c) 4.91 m d) 3.65 m e) 5.16 m 4) A 4.0 L sample of N 2(g) at 760 mmHg is compressed, at constant temperature, to 3.2
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Unformatted text preview: atm. What is the final gas volume? a) 1.3 L b) 950 L c)13 L d) 59 L e) 0.77 L 5) A 10.0 L container of unknown gas at 25.0 °C contains 87.1 g of gas at 12.5 atm. What gas is in the container? a) NO 2 b) SO 2 c) F 2 d) C 2 H 2 e) NH 3 6) The volume in L H 2(g) (measured at 22 °C and 745 mmHg) required to react with 30.0 L CO (g) (measured at 0 °C and 760 mmHg) in the reaction below is: 3 CO (g) + 7 H 2(g) → C 3 H 8(g) + 3 H 2 O (l) a) 74.1 L b) 77.2 L c) 33.1 L d) 70.0 L e) 63.5 L 7) What is the total pressure exerted by a mixture of 0.250 moles N 2 and 0.400 moles He at 27 °C in a 3.00 L container ? a) 5.33 atm b) 2.05 atm c) 1.23 atm d) 16.0 atm e) 3.28 atm...
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This note was uploaded on 12/18/2009 for the course CHE 1301 taught by Professor Klausmeyer during the Spring '08 term at Baylor.

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